Dearborn?
There are a number of places in the US now that they could wander to. Places in New Jersey, Ohio, Florida, California and even Utah.
Or Detriot - would fit right in.
But in all seriousness... for any of them to be released on US soil is a travesty. How about they live with the Obama family for a few years, with him directly responsible for them and their actions. After all, he is the terrorist-loving president.